Search results

'''Nuclear transparency''' is the [[ratio]] of [[cross section (physics)|cross-sections]] for exclusive processes from the [[Atomic nucleus|nuclei] ...tion is denoted as <math>\sigma_N</math> and free nucleon [[Cross section (physics)|cross-section]] as <math>\sigma_0</math>, ...

...rt.html|title = Bellona Report 6:02, "Hydrogen - Status and possibilities" Hydrogen technologies|publisher = Bellona Foundation|website = Interstate Traveler C ...] burner at around 1600 °C. The resulting components, carbon particles and hydrogen, are present as a mixture in form of an aerosol.<ref>{{Cite web|last=Kuehl| ...

In [[atomic physics]], a '''two-electron atom''' or '''helium-like ion''' is a [[quantum mechan | ''Z''=1: || H⁻ || [[hydrogen anion]] ...

...pling plays a role in producing a difference in the temperature of neutral hydrogen and the [[cosmic microwave background]] at the end of the [[Timeline of the ...It is only when the two temperatures differ, i.e. are decoupled, that the hydrogen line can be observed.<ref>Stiavelli (2009), p. 121.</ref> ...

...{Cite web|url=http://people.brandeis.edu/~albion/162b/syllabus09.pdf|title=Physics 162b – Quantum Mechanics - Syllabus for Winter/Spring 2009|last=Lawrence|fi # The [[Hydrogen atom|Hydrogen Atom]] ...

In physics, particularly in [[perturbation theory (quantum mechanics)|quantum perturba ...t in [[atomic physics|atomic]], [[nuclear physics|nuclear]] and [[particle physics]]. ...

...ntegrated photoelectron spectrum resulting from a laser interacting with a hydrogen atom. The ''x'' axis marks the electron kinetic energies <math>E_k</math> i In [[atomic, molecular, and optical physics]], '''above-threshold ionization''' ('''ATI''') is a [[Photoelectrochemical ...

Let '''<math>O</math>''' be an [[Operator (physics)|operator]] which [[Commutative property|commute]]s with the [[Hamiltonian == Hydrogen atom == ...

..., G. Delgado-Barrio and S. Wilson, ''Progress in Theoretical Chemistry and Physics'' '''19''', Springer (2009)</ref> [[Modern valence bond theory]] is often s [[Category:Molecular physics]] ...

{{Short description|Measurement in molecular physics}} |[[Hydrogen]]||H₂||2||289||<ref name=Ismail14/> ...

...=http://xlink.rsc.org/?DOI=C4CP04564E |journal=Physical Chemistry Chemical Physics |language=en |volume=17 |issue=13 |pages=8297–8305 |doi=10.1039/c4cp04564e ...n seen in all solutions above about 1&nbsp;M is the effect of a [[Jamming (physics)|jamming]] transition at a high concentration. As a result, the viscosity i ...

...the beginning of the time evolution for example in the hydrogen atom. For Hydrogen, the fractional revivals show up ...Gaussian bumps around the circle drawn by the radial maximum of leading [[Hydrogen atom|circular state]] component (that with the highest amplitude in the eig ...

...d was transparent to light, those photons which were not captured by other hydrogen atoms were able, for the first time in the [[Chronology of the universe|his ...recombination. During this time, electrons combined with protons to form [[hydrogen atoms]], resulting in a sudden drop in free electron density. Decoupling oc ...

...e Center obtained a record density of about 10¹² spin-polarized hydrogen atoms per cm³. {{unsolved|physics|Why parallel protons interact stronger than anti-parallel protons?}} ...

| field = [[theoretical physics]] ...natsu''' (12 September 1922 – 4 August 2019) was a Japanese [[theoretical physics|theoretical physicist]] who contributed to a [[special relativity|relativis ...

...ydrogen atoms]], formed post-[[Cosmic Dawn]]. Emissions from these neutral hydrogen atoms, characterized by a rest wavelength of 21 cm and a frequency of 1420 ...feasible only when there is a temperature discrepancy between the neutral hydrogen and the CMB. ...

...ssion in the spectra of Wolf-Rayet stars, as these stars have little or no hydrogen. ...o helium."<ref name = Robotti /><ref>{{cite journal|title = The Spectra of Hydrogen and Helium|first = N.|last = Bohr|authorlink = Niels Bohr|journal = [[Natur ...

...esis/[[methanation]]). Plasmalysis is an artificial word made of [[Plasma (physics)|plasma]] and lysis (Greek λύσις, "[dissolution]"). ...rogen]]. The hydrogen thus produced can serve as an energy carrier for a [[hydrogen economy]]. ...

...bibcode=1991LNP...384.....S|isbn=978-3-662-13854-0|series=Lecture Notes in Physics }}</ref> The mechanism reads as<ref>Poinsot, T., & Veynante, D. (2005). ''T ...layer, occur in a narrow region at the flame. The fourth reaction is the [[hydrogen]] [[oxidation]] layer, whose thickness is much larger than the former two l ...

...ice. Additionally, one of the substitutional carbon atoms is bonded with a hydrogen atom while the other carbon contains an unpaired electron in the ground sta ...t contains a substitutional carbon-carbon pair terminated by an additional hydrogen atom within the lattice. This structure also contains a [[dangling bond]] o ...